<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>CSS Test: Regions create new stacking context</title>
    <link rel="author" title="Alan Stearns" href="mailto:stearns@adobe.com"/>
    <link rel="help" href="http://www.w3.org/TR/css3-regions/#properties"/>
    <link rel="help" href="http://www.w3.org/TR/css3-regions/#the-flow-from-property"/>
    <link rel="match" href="region-stacking-context-001-ref.xht"/>
    <meta name="flags" content=""/>
    <meta name="assert" content="The z-index set on region content does not affect how they are stacked with siblings of the region."/>
    <style type="text/css">
      .square{
        height: 50px;
        width: 50px;
        position: relative;
      }
      .stackingFlow{
        flow-into: stacking;
      }
      .stackingRegion{
        flow-from: stacking;
        width: 50px;
        height: 100px;
        position: relative;
        margin-top: -50px;
      }
      .error{
        background: red;
      }
      .flowGreen{
        background: green;
        z-index: -10; 
      }
      .flowError{
        background: red;
        z-index: 10;
      }
      .green{
        background: green;
        margin-top: -50px;
      }
    </style>
  </head>
  <body>
    <div class="stackingFlow">
      <div class="flowGreen square"></div>
      <div class="flowError square"></div>
    </div>
    <p>Test passes if there is no red.</p>
    <div>
      <div class="error square"></div>
      <div class="stackingRegion"></div>
      <div class="green square"></div>
    </div>
  </body>
</html>